Enrollment
512
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Prescott, AZ
Federal NCES profile for Granite Mountain Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
The verdict
Granite Mountain Middle School earns 27/100 on the Resource Investment Index, with class sizes near the Arizona median.
Granite Mountain Middle School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Granite Mountain Middle School ranks #6 of 7 elementary schools in Prescott, AZ.
NCES ID 040673000565 Verify on NCES CCD record →
Enrollment
512
Arizona · 2024-25 NCES data
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
15.5:1
vs 17:1 Arizona avg
-9% vs state
Free-lunch eligible
28.8%
vs 48.3% Arizona avg
-40% vs state
How Granite Mountain Middle School compares with Arizona and U.S. medians
At or below state median
15.5:1 - 1.5 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
Granite Mountain Middle School is a mid-sized elementary school in Prescott, Arizona, enrolling 512 students.
At 15.5:1, its student-teacher ratio sits close to the Arizona median, within a few percentage points of the 17:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 28.8% of students eligible for free meals.
With 512 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Against 259 statewide peers matched on enrollment and economic need, it ranks mid-pack at #178.
Its student body is led by White (70%) and Hispanic or Latino (20%) (diversity index 47/100).
Counselor access is stretched at roughly 512 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 46.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Prescott Unified District (4466) spends $9,912 per pupil, 25% below the Arizona average, a leaner-resourced district than most.
Discipline events run high: 109 in- and out-of-school suspensions were reported for 512 students in the 2021-22 Civil Rights Data Collection.
Prescott Unified District (4466) also operates Prescott High School (1,497 students) and Prescott Mile High Middle School (482 students) alongside Granite Mountain Middle School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Granite Mountain Middle School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.5:1 | ▼ 9% | 17:1 | 15.7:1 |
| Free-lunch eligible | 28.8% | ▼ 40% | 48.3% | 51.7% |
| Enrollment | 512 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 69.5% of enrollment.
Simpson diversity index - at 47.2, Granite Mountain Middle School is about as mixed as the Arizona school average of 47.2.
District-wide per-pupil expenditure for Prescott Unified District (4466), which includes Granite Mountain Middle School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Prescott High School | Larger | Lower economic need | Higher S:T ratio |
| Prescott Mile High Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Abia Judd Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Taylor Hicks School | Smaller | Similar economic need | Similar S:T ratio |
| Lincoln Elementary School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Granite Mountain Middle School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Granite Mountain Middle School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Granite Mountain Middle School has 512 students enrolled. It is an elementary school in Prescott, AZ.
The student-teacher ratio at Granite Mountain Middle School is 15.5:1, which is 9% lower than the Arizona average of 17:1 and 1% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
28.8% of students at Granite Mountain Middle School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Granite Mountain Middle School is White at 69.5% of enrollment, in Prescott, AZ.
Granite Mountain Middle School has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Granite Mountain Middle School ranks #6 of 7 elementary schools in Prescott, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Prescott on the city page.
Granite Mountain Middle School earns 27/100 on the Resource Investment Index, with class sizes near the Arizona median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Granite Mountain Middle School, Prescott Unified District (4466) also operates Prescott High School (1,497 students), Prescott Mile High Middle School (482 students), and Abia Judd Elementary School (471 students). See the Prescott Unified District (4466) district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Granite Mountain Middle School, Prescott AZ.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/granite-mountain-middle-school-az
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